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🔍 Elevate your electronics game with precision tweezers that do more than just grip!
The FNIRSI LCR-ST1 is a compact, battery-powered LCR meter tweezer designed for professionals needing fast, accurate measurements of resistance, capacitance, inductance, and diodes. Featuring 3 test frequencies up to 10 kHz, auto component recognition, and data export capabilities, it’s optimized for efficient SMD repairs and circuit diagnostics. Its dual tweezer heads and portable design make it an essential tool for modern electronics troubleshooting.













| ASIN | B0DBQ4SQGK |
| Best Sellers Rank | #23,824 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Capacitance & Resistance Meters #77 in Multi Testers |
| Brand | FNIRSI |
| Brand Name | FNIRSI |
| Color | Black |
| Compatible Devices | Electronic devices containing electronic components |
| Customer Reviews | 4.3 out of 5 stars 337 Reviews |
| Included Components | LCR Meter、Carrying Case、Type-c Cable |
| Item Weight | 2.86 g |
| Manufacturer | FNIRSI |
| Measurement Type | LCR Meter |
| Min. Operating Voltage | 0.3 volts_of_alternating_current |
| Minimum Operating Voltage | 0.3 volts_of_alternating_current |
| Model | FNIRSI-LCR-ST1 |
| Number of Items | 1 |
| Part Number | LCR-ST1 |
| Power Source | Battery Powered |
| Specification Met | Ce Marked |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1 Count |
A**N
Great little probe tool for component testing
Admittedly, I haven't used it a whole bunch, since I have other tools in the arsenal, but I saw an electronic repair person use these and I was intrigued. It's great for doing quick on-board tests. It's accurate enough for quick measurements and finding opens and shorts and components way out of tolerance. I do like the auto flipping screen. It's a nice design touch. For the price it's a good value and the battery life is decent. It's a good, portable solution for testing caps and resistors and coils out in the field.
U**I
Wait! These aren’t just tweezers, they’re tweezers with a TV!
I’m very impressed how well this little unit works. Very accurate, easy to use, comes with a very nice case and holds a nice charge. I have been very impressed with FNIRSI lately and this meter is definitely one for the collection!!
M**.
It should be a solid 3 stars, read for why.
I got this as a promotional set so, the cost to me was only $20. For that price, this little pup is a gem. It is not great at anything requiring accuracy. It is good at most of it readings. It is very easy to use. For the design and intended function, it is near perfect. It is best used, in my shop, as a quick and dirty reference. It is great for those blue resistors painted by the color blind. I sorted about 30 SMD capacitors in under a couple of minutes. It is very good at the mid-ranges of it's limits, results vary at the near ends and are worthless in real life at the very limits. For the money, I will buy another when I fry this one. It gets four stars because, as average as it is, the design is highly useful for my needs.
P**R
Very good value, seems to meet spec when tested with precision standards, great display!
Electrical engineering professor here. This is a FANTASTIC value. Other than having to set the language to English (easy), it is super easy to use. The screen is bright and clear, and I have tested it with precision resistance and capacitance standards and it is at least as good as the published specs. Really great. I have not used it much, but am debugging some designs now and my first impression is that it is amazing. I will update this review if I learn anything more, good or bad, but based on what I've seen today, I'd order one for each bench!!
R**C
Great Value. Viable tester.
For the money, a great unit. Used to measure audio cables. Compared to a high end Fluke meter, it’s measurements appear to quite accurate. Great for quick in circuit testing of various components.
K**S
Tools good, support bad.
Only for the support I received. I have other FNIRSI products and I love them! You cannot beat the price for the features. I bought these LCR Meter Tweezers open box and I suspect someone used it to test high power and it burned out the resistors inside and then returned them. When I reached out to tech support, support had more faith in me than I have for myself because they sent diagrams with the resistors to replace 😅 I'm all about fixing things but I bought these expecting them to work properly when I got them. I am not set up to replace chips that small. After some back and forward with support, they then just told me to go back through Amazon. Bummer, I needed them for today.
S**R
Convient!
Convient little tool and helps you diagnose issues quickly! Unsure as to accuracy but works well enough that I was able to fix a broken bassinet within minutes. Very happy. Seems to work great. (Ignore the messy table. Haven't had time to clean up)
L**S
Easy to use and plenty accurate enough for me
Not laboratory grade but plenty accurate for my needs - and very convenient to use. Measures within the specified tolerance of components including capacitors, inductors, and 1% resistors, Closely agrees with another meter I have on capacitors plus it shows effective series resistance too. I was restoring some old tube equipment and this identified several caps that had gone bad in-circuit. This is designed to probe PWBs but I use it often with clip leads for point to point wiring and loose parts.
F**M
FNIRSI LCR-ST1 Mini Smart Tweezer LCR SMD ESR Tester Resistenza Capacità Induttanza
Provengo da un LCR inglese e con questo mi trovo altrettanto molto bene...comodo per le due zampette di misura e batteria ricaricabile usb litio...buon prodotto, per i miei esperimenti..
C**E
Great Smd Testing Tweezers
These are awesome nice and small with inductors included in the test I find them to be more accurate than my uni t one and the case is a great addition to keep them dust free and safe.The unit has a 3 set frequency test condition which if it is slightly out you can set a different frequency and I have tried this and it does work quite well,There is a spare set of tips and they are right angled,I am happy to give these 5 stars as I think they are awesome.
A**L
Don’t buy
Stopped working within a month of use. Showing random readings.
A**R
Works great
Great product, works as described.
A**Y
100% recommended.
Fantastic tool.
Trustpilot
3 weeks ago
2 weeks ago